A 10-second siren will sound on millions of UK mobile phones this year as part of a test of the government's emergency alert ...

An 'Armageddon' emergency alert will be sent to millions of phones again in a nationwide test. Here is everything you need to ...

On the afternoon of Jan. 9, nearly 10 million people across Los Angeles County received a warning that they were in danger.

Many were awakened by an emergency alert in Wake County Monday night, an alert that the county said went out to more people ...

The emergency alert system, which will send a loud siren and vibration to people's phones, will be tested in a few months but ...

WICHITA, Kan. (KSNW) – Did you get this emergency alert message Monday evening? This message was sent out Sunday evening and ...

Kevin McGowan, director of L.A. County's Office of Emergency Management, said that the problem was caused by a software ...

The alert causes phones and tablets to vibrate, read the alert aloud and emit a loud siren-like sound, even if the device is ...

An alert designated to warn people of a fire northwest of downtown Los Angeles was sent county-wide, according to a local ...

L.A. County Office of Emergency Management said the alerts are not being sent by a person and his office is trying to find ...

The Emergency Alert System will be tested across the UK this year to help prepare for crises similar to Covid-19.